Robert Park (C), a Korean-American Christian missionary who had walked across the border into North Korea for a one-man protest over human rights violations, and South Korean activists march during a rally to protest against North Korea's human rights abuses in Seoul on January 27, 2012. Some 100 activists protested, urging the international community to intervene actively for the freedom and human rights of North Koreans. AFP PHOTO/JUNG YEON-JE